OpenTechnical

OT-2026-000069707

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000069707) never changes.

Identity and time

Publication numberOT-2026-000069707 · never reused
Internal UUID01a0ae90-b52c-7f4f-936a-4d9f91bd5c4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069707
StatusPUBLIC

Content hashes

Canonical text24e65eb07543317599e48b4224c81645f475d0467e4a1048028b0ed080b1d86b
Markdowne24630b635c029b4d1310225ec37bd3c4297018f22b1365d2e0c752a006ae3da
PDF
Publication page935a8849ab4a79799fd80e27f4743e6c5d825e27e9e5e60aab6d11a03bdb19f3
Manifest784b95732bd1ba76bc9bbddeb46f89129d218ba2ae4f256b79b27b1b94a03f0c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetOdoWF2iv0y18DEVfEiKgpDAseOrqWH4E3xN5hitmbYp8hSD4mLVApd1nxW/OCLG0HA9PbWkmQDd538f5g7gBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:28.463355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069707
observed 935a8849ab4a79799fd80e27f4743e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.445619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069707/manifest.json
observed 784b95732bd1ba76bc9bbddeb46f8912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.426967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069707/publication.md
observed e24630b635c029b4d1310225ec37bd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.407137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069707/publication.txt
observed 24e65eb07543317599e48b4224c81645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.